export declare function discoverOpenIDConnect(url: string): Promise<ProviderMetadata>;
export interface ProviderMetadata {
    issuer: string;
    authorization_endpoint: string;
    token_endpoint?: string;
    userinfo_endpoint: string;
    jwks_uri: string;
    registration_endpoint: string;
    scopes_supported: string[];
    response_types_supported: string[];
    response_modes_supported?: string[];
    grant_types_supported?: string[];
    acr_values_supported?: string[];
    subject_types_supported: string[];
    id_token_signing_alg_values_supported: string[];
    id_token_encryption_alg_values_supported?: string[];
    id_token_encryption_enc_values_supported?: string[];
    userinfo_signing_alg_values_supported?: string[];
    userinfo_encryption_alg_values_supported?: string[];
    userinfo_encryption_enc_values_supported?: string[];
    request_object_signing_alg_values_supported?: string[];
    request_object_encryption_alg_values_supported?: string[];
    request_object_encryption_enc_values_supported?: string[];
    token_endpoint_auth_methods_supported?: string[] | string;
    token_endpoint_auth_signing_alg_values_supported?: string[];
    display_values_supported?: string[];
    claim_types_supported?: string[];
    claims_supported?: string[];
    service_documentation?: string;
    claims_locales_supported?: string[];
    ui_locales_supported?: string[];
    claims_parameter_supported?: boolean;
    request_parameter_supported?: boolean;
    request_uri_parameter_supported?: boolean;
    require_request_uri_registration?: boolean;
    op_policy_uri?: string;
    op_tos_uri?: string;
}